hw/ne2000-isa.c

   1 /*
   2  * QEMU NE2000 emulation -- isa bus windup
   3  *
   4  * Copyright (c) 2003-2004 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include "hw.h"
  25 #include "pc.h"
  26 #include "isa.h"
  27 #include "qdev.h"
  28 #include "net.h"
  29 #include "ne2000.h"
  30 #include "exec-memory.h"
  31
  32 typedef struct ISANE2000State {
  33     ISADevice dev;
  34     uint32_t iobase;
  35     uint32_t isairq;
  36     NE2000State ne2000;
  37 } ISANE2000State;
  38
  39 static void isa_ne2000_cleanup(VLANClientState *nc)
  40 {
  41     NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
  42
  43     s->nic = NULL;
  44 }
  45
  46 static NetClientInfo net_ne2000_isa_info = {
  47     .type = NET_CLIENT_TYPE_NIC,
  48     .size = sizeof(NICState),
  49     .can_receive = ne2000_can_receive,
  50     .receive = ne2000_receive,
  51     .cleanup = isa_ne2000_cleanup,
  52 };
  53
  54 static const VMStateDescription vmstate_isa_ne2000 = {
  55     .name = "ne2000",
  56     .version_id = 2,
  57     .minimum_version_id = 0,
  58     .minimum_version_id_old = 0,
  59     .fields      = (VMStateField []) {
  60         VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),
  61         VMSTATE_END_OF_LIST()
  62     }
  63 };
  64
  65 static int isa_ne2000_initfn(ISADevice *dev)
  66 {
  67     ISANE2000State *isa = DO_UPCAST(ISANE2000State, dev, dev);
  68     NE2000State *s = &isa->ne2000;
  69
  70     ne2000_setup_io(s, 0x20);
  71     isa_init_ioport_range(dev, isa->iobase, 16);
  72     isa_init_ioport_range(dev, isa->iobase + 0x10, 2);
  73     isa_init_ioport(dev, isa->iobase + 0x1f);
  74     memory_region_add_subregion(get_system_io(), isa->iobase, &s->io);
  75
  76     isa_init_irq(dev, &s->irq, isa->isairq);
  77
  78     qemu_macaddr_default_if_unset(&s->c.macaddr);
  79     ne2000_reset(s);
  80
  81     s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
  82                           dev->qdev.info->name, dev->qdev.id, s);
  83     qemu_format_nic_info_str(&s->nic->nc, s->c.macaddr.a);
  84
  85     return 0;
  86 }
  87
  88 static ISADeviceInfo ne2000_isa_info = {
  89     .qdev.name  = "ne2k_isa",
  90     .qdev.size  = sizeof(ISANE2000State),
  91     .init       = isa_ne2000_initfn,
  92     .qdev.props = (Property[]) {
  93         DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300),
  94         DEFINE_PROP_UINT32("irq",   ISANE2000State, isairq, 9),
  95         DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
  96         DEFINE_PROP_END_OF_LIST(),
  97     },
  98 };
  99
 100 static void ne2000_isa_register_devices(void)
 101 {
 102     isa_qdev_register(&ne2000_isa_info);
 103 }
 104
 105 device_init(ne2000_isa_register_devices)